MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cb2647b24754e94c09a29438e2f49a2d55f0b772f8f013f5b90dcbfe8f957d8. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 14 File information Comments
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SHA256 hash: 8cb2647b24754e94c09a29438e2f49a2d55f0b772f8f013f5b90dcbfe8f957d8
SHA3-384 hash: 1773e086365bc7cf30ab50d74e4cdc5b7aed6f04e4a30bca64c0db01ed29d72f0bf912b5b5bc2926d16328ee0ce0dcea
SHA1 hash: 5351a3caa604e8c54c9cddda3886bc21e7785c37
MD5 hash: e578a1f547aa0fe425455661c09c8191
humanhash: oxygen-lion-item-early
File name:SecuriteInfo.com.FileRepMalware.14020.23719
Download: download sample
Signature Formbook
Create hunting rule
File size:719'872 bytes
First seen:2023-12-05 06:28:57 UTC
Last seen:2023-12-05 07:23:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:gHl5nF8dVdqrlbD+aWGXWYkwDOMNQ2luSn0y89inwoa6Y6bxlN6lbHILlzkWV:wlYqhbD+aWfYJ5n0nsav61lNILQlzk8
Threatray 3'368 similar samples on MalwareBazaar
TLSH T167E4229621ECAF6BD4BF977A1579204013F925AE4830C3095FCCE0DB1BA7B454E95B0B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0060696969716800 (8 x AgentTesla, 6 x Formbook, 2 x Loki)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
352
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
AgentTesla
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Link:
https://www.capesandbox.com/analysis/462512/
Detection(s):
SecuriteInfo.com.FileRepMalware.14020.23719.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656ec33156f85d0de4145025/reports/a871ea85-564a-48d5-a32c-b55b570518db/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8cb2647b24754e94c09a29438e2f49a2d55f0b772f8f013f5b90dcbfe8f957d8
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d8161912-2b1c-4de2-bbe0-0a7ea69520bc
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1353728
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1353728 Sample: SecuriteInfo.com.FileRepMal... Startdate: 05/12/2023 Architecture: WINDOWS Score: 100 14 mail.kivuresort.co.ke 2->14 16 kivuresort.co.ke 2->16 18 3 other IPs or domains 2->18 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 8 other signatures 2->32 7 SecuriteInfo.com.FileRepMalware.14020.23719.exe 3 2->7         started        signatures3 process4 signatures5 34 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->34 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->36 38 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->38 40 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->40 10 SecuriteInfo.com.FileRepMalware.14020.23719.exe 15 2 7->10         started        process6 dnsIp7 20 api4.ipify.org 173.231.16.77, 443, 49731 WEBNXUS United States 10->20 22 ip-api.com 208.95.112.1, 49733, 80 TUT-ASUS United States 10->22 24 kivuresort.co.ke 148.113.166.117, 49734, 49737, 587 GOOGLE-PRIVATE-CLOUDUS United States 10->24 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->42 44 Tries to steal Mail credentials (via file / registry access) 10->44 46 Tries to harvest and steal browser information (history, passwords, etc) 10->46 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cb2647b24754e94c09a29438e2f49a2d55f0b772f8f013f5b90dcbfe8f957d8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-05 02:52:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rszgi6zeovhjjqe2ffby4l2julkv6c3xf6hqcp23sdol72hzk7ma._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
Create hunting rule
Similar samples:
34e80cd7697e28920dc9d333f057b29cb3e4010a8be917130a9c3137aabfb547
Formbook
514de837b5ed18cd2d8f89382cf72fda346681fca39a4eb895f06d8da5717fba
Formbook
56cfd7df1800b2c751e56c983a8e33c39b3e2c8d34368c6fa51582f306f2eff9
Formbook
8cb2647b24754e94c09a29438e2f49a2d55f0b772f8f013f5b90dcbfe8f957d8
Formbook
beea0fcc9ece913f4a98c351b86a27976d8c0f42f28b6d7baeab79afb7c7fb93
Formbook
fb25063ae8fa5da1296cef1871b69a74ef949073eb715b75dce5ab7909f5e124
Formbook
+ 3'358 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231205-g8wz9shh48/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
bcff0870c890d2fbc89676fd4fd0e5235e247bef5871fa93ee4eaeb84f4cb2b6
MD5 hash:
8be372545994e5c8d82fdcab60d02d6c
SHA1 hash:
f02533cd51d0b902ad044d98445e5cab091fc925
Link:
https://www.unpac.me/results/6cf47bfc-5947-493f-869e-70ac604dfc47/
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/6cf47bfc-5947-493f-869e-70ac604dfc47/
SH256 hash:
685d143d8cc5834f618b828c7b2a89d8dd42c7d679356de1d32d51462d703625
MD5 hash:
5337bb9cd0638ed6afc31f8ee03196a5
SHA1 hash:
957aa6942cde3d4dc23a04c0c9d3a47b92558eb1
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Link:
https://www.unpac.me/results/6cf47bfc-5947-493f-869e-70ac604dfc47/
Parent samples :
beea0fcc9ece913f4a98c351b86a27976d8c0f42f28b6d7baeab79afb7c7fb93
8cb2647b24754e94c09a29438e2f49a2d55f0b772f8f013f5b90dcbfe8f957d8
bd0f7c967e9e445758555bceb76f68806dcf1f3185a58e71cbbb117645f4b521
SH256 hash:
7fa6342560b497a18146dd6b9841992b18d9c077135977fe26139821058a4cd3
MD5 hash:
b4bbca1c613fcae703f1ec6fd514c496
SHA1 hash:
4145d88512331f57472fac46cf1742d97a2d1a8c
Link:
https://www.unpac.me/results/6cf47bfc-5947-493f-869e-70ac604dfc47/
SH256 hash:
8cb2647b24754e94c09a29438e2f49a2d55f0b772f8f013f5b90dcbfe8f957d8
MD5 hash:
e578a1f547aa0fe425455661c09c8191
SHA1 hash:
5351a3caa604e8c54c9cddda3886bc21e7785c37
Link:
https://www.unpac.me/results/6cf47bfc-5947-493f-869e-70ac604dfc47/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8cb2647b2475/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8cb2647b24754e94c09a29438e2f49a2d55f0b772f8f013f5b90dcbfe8f957d8

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/462512/

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